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(CHAPTER 20) DATA PREPARATION AND ANALYSIS OF DATA - Coggle Diagram
(CHAPTER 20)
DATA PREPARATION AND
ANALYSIS OF DATA
CHECKING DATA ACCURACY
b) are all important questions answered?
c) are the responses complete?
a) are the responses legible/readible
d) is all relevant contextual information included?
LOGGING THE DATA
b) coded interview data
c) pre-test or post-test data
a) mail surveys returns
d) observational data
DEVELOPING DATABASE STRUCTURE
d. instrument/method of collection
e. data collected
c. variable format (data, number, text)
f. respondent or group
b. variable description
g. variable location (in database)
a. variable name
h. notes
DATA TRANSFORMATION
b) item reversals
c) scale totals
a) missing values
d) categories
PROCESS OF DATA ANALYSIS
initial data analysis (assessment of data quality)
characteristics of data sample
quality of data
quality of measurements
main data analysis
data cleaning